package cn.tedu.v2_3;
import java.io.*;
import java.net.Socket;
import java.net.UnknownHostException;
import java.rmi.ConnectException;
import java.util.Scanner;

/**
 * 练习：1.Client 添加IP功能
 *      2.Server 关闭通讯、代码简洁，写Client关闭通讯、代码简洁
 */

public class Client {
    private Socket socket;

    public Client() {
        try {
            socket=new Socket("172.20.51.132",5555);
        } catch (NullPointerException e) {
            System.out.println("友情提示：IP传入错误导致连接失败");
        } catch (UnknownHostException e) {
            System.out.println("友情提示：IP传入错误");
        } catch (ConnectException e) {
            System.out.println("客户端连接失败：建议检查IP或者端口号");
        } catch (IOException e) {
            System.out.println("客户端连接服务器端失败，提示：检查IP/端口");
        }
    }

    public void start() {

        PrintWriter pw=null;
        try {

            pw= new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "UTF8")),true);

            System.out.println("对服务器说话：");
            Scanner input = new Scanner(System.in);
            String line = null;
            while (true) {
                pw.println(input.nextLine());
                System.out.println("写出成功");
            }
        } catch (UnsupportedEncodingException e) {
            System.out.println("客户端/服务器端编码集有问题");
        } catch (IOException e) {
            System.out.println("客户端连接服务器端：IO流操作出现错误");
        } finally {
            if (pw!=null)
                pw.close();
            if (socket!=null&&!socket.isClosed())
                try {
                    socket.close();
                } catch (IOException e) {
                    System.out.println("客户端关闭失败");
                }
        }
    }
    public static void main(String[] args) {
        new Client().start();
    }
}
